Home / 220,170,139.80-330,255,209.70-66,815,950.20

Finding the Fourth Proportional to 220,170,139.80, 330,255,209.70 and 66,815,950.20

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Solution

The fourth proportional to 220,170,139.80, 330,255,209.70 and 66,815,950.20 is: 100,223,925.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,170,139.80 : 330,255,209.70 = 66,815,950.20 : x
  2. Step 2: Convert to fraction form
    220,170,139.80/330,255,209.70 = 66,815,950.20/x
  3. Step 3: Cross multiply
    220,170,139.80x = 330,255,209.70 × 66,815,950.20
  4. Step 4: Simplify right side
    220,170,139.80x = 22,066,315,644,605,756
  5. Step 5: Solve for x
    x = 22,066,315,644,605,756/220,170,139.80
  6. Step 6: Final answer
    x = 100,223,925.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.